Abstract: A lighting device has a base body of translucent material, in which several light-emitting diodes, which are applied to a flexible adhesive strip having integrated conductors, are arranged at intervals. A cavity is milled into the rear of the base body, the width and length of the cavity being slightly smaller than the width and length of the base body. A closed edge web is created along the periphery of the base body. An adhesive strip having light-emitting diodes is applied to the interior side of the edge web over the entire length in such a way that light-emitting diodes are arranged on the interior sides of opposing edge web sections. The light-emitting diodes illuminate a solid section of the base body in front of the cavity and produce a high luminous density on the front side. The rear side of the cavity is closed by a cover.

Abstract: A light emitting diode module includes a metal substrate, a main circuit, an adapter circuit board, an adapter circuit and a plurality of light emitting diodes, and the main circuit is installed on the metal substrate and includes a plurality of first power points, an adapter circuit installed on the adapter circuit board and including a plurality of second power points, each being electrically coupled to each corresponding first power point, and the light emitting diode is installed on a surface of the metal substrate and electrically coupled to the main circuit. A light emitting diode lamp includes a reflection cover, a light emitting diode module and a plurality of power lines.

Abstract: The problem addressed by the present invention consists in providing an LED luminaire which corresponds to the known shapes for incandescent bulbs both in terms of contour and size and which enables illumination similar to that of an incandescent bulb by means of the light-emitting means both in terms of the emission response and the luminous intensity of said luminaire. The heat sink which is required for technical reasons and which bears the light-emitting means itself predetermines the shape of the incandescent bulb and the emission of the LEDs for this purpose. The heat sink can in this case be in the form of one body or can comprise a plurality of separate heat sinks, which are arranged about a central axis so as to be associated with the respective light-emitting means.

Abstract: An optical system is disclosed that uses an LED light source. The light output is coupled to an optic element formed from a material with a high refractive index. The coupling of the light to the high index material significantly reduces the cone angle of the light. The system is very efficient in that nearly all the light generated by the LED is directed to the intended subject.

Abstract: This invention relates to a secondary optics for the multi-chip LED. It features in that the optics consists of a refraction collimating portion, two total internal reflection (TIR) portions, an emitting surface with a micro lens array, an edge flange and a snap lug for lens assembly. The refraction collimating portion is located on the center of the lens bottom, which has a convex aspheric surface. Around the refraction collimating portion outwards, there are two rounds of TIR prisms, featured in that at least one TIR prism has a flake polyhedral reflection surface. On top of the secondary optics, there is the emitting surface constituted with the micro lens array. The edge flange and the snap lug for lens positioning represent non operational portion and may have any shape. Related to the present invention, the LED used therewith may be a multi-chip or single-chip LED.

Abstract: A LED light bulb with a light-shielding structure is provided. The LED light bulb includes a bulb base (1), a transparent cover (2), a sensor (3) and a light-shielding barrel (4). The transparent cover (2) is fixed on a top of the bulb base (1). A lower end of the light-shielding barrel (4) is fixed on the bulb base (1). An upper end of the light-shielding barrel (4) is extended toward the transparent cover (2). The sensor (3) is disposed within the light-shielding barrel (4). By the light-shielding barrel (4), the light beam emitted by the LED light bulb can be effectively prevented from being directly projected onto the sensor, or the light beam reflected or refracted by the transparent cover (2) can be effectively prevented from being projected onto the sensor (3).

Abstract: A lampshade including a plurality of plate structures is provided. The plurality of plate structures are connected to one another to form a hollow casing having an opening. An illumination module including a base plate, a light source, and a lampshade is further provided. The light source is disposed on the base plate. The lampshade is covered on the base plate, and the light source is sited between the base plate and the lampshade. The lampshade includes a plurality of plate structures, wherein the plurality of plate structures are connected to one another to form a hollow casing having an opening.

Abstract: An apparatus is described, including a light source, a lens and two reflectors. A first reflector is positioned to reflect a first portion of light from the light source, wherein the first portion of light is radiated from the light source in a central forward solid angle as defined by an outer edge of the first reflector. The lens is azimuthally horizontal to the light source for accepting a second portion of light from the light source emitted in a peripheral forward solid angle. A second reflector reflects the first portion of light after reflectance from the first reflector and the second portion of light after passing through the lens in a composite beam, wherein the first reflector and the lens are configured such that the first and second portions of light behave as though they were emitted from a point source at the second reflector focus.

Abstract: An economical LED light module configured to emit a uniform pattern of light from a single LED utilizing a minimal amount of energy and exhibiting a long and useful life is provided. The LED light module includes a main hyperbolic reflector and a plug receptacle having an electrical connector configured for electrical communication with a power source. A LED is mounted in electrical communication with the electrical connector. An elongate light pipe extends between a light receiving end configured to receive light emitted from the LED and a light emitting end. The light emitting end has a parabolic reflector positioned concentrically about a focal point of the hyperbolic reflector.

Abstract: The invention relates to an electric lamp (102) comprising a primary semiconductor light source (104) in thermal communication with a primary reflector (106). Herein, the primary reflector (106) is reflective, transparent and/or translucent. The primary reflector (106) is configured for transferring heat generated by the primary semiconductor light source (104) during operation away from said primary semiconductor light source (104). As a result, the electric lamp (102) according to the invention effectively reduces the number of parts comprised in the electric lamp (102), thereby lowering the costs of manufacturing the electric lamp (102).

Abstract: A nonimaging light assembly for flashlights, including a light source and a lens symmetrical about an optical axis for receiving light from the light source and producing therefrom a light beam having concentrated and divergent components resulting in a high intensity core beam surrounded by a smoothly transitioning lower intensity surround beam. In a preferred embodiment utilizing a light emitting diode as the light source, the combined light beam produced by the light assembly has a substantially circular cross section.

Abstract: A lens has a light-incoming face, a light-outgoing face, and a side face. The light-incoming face is disposed near a light source or in contact with the light source. The light-outgoing face is provided opposite to the light-incoming face. The side face has a curved total reflection surface that totally reflects a light beam that has entered the light-incoming face. The total reflection surface is formed so that light beams that have reflected off the total reflection surface focus in a given angle from the light-outgoing face.

Abstract: In one aspect, the present invention provides light emitting devices, including light fixtures and luminaires. In some embodiments, a light emitting device comprises at least one light source, a lightguide operable to receive light from the at least one light source at a first location on the lightguide, at least one light extraction region optically coupled to the lightguide and a substantially non-scattering region along a portion of the lightguide.

Abstract: An LED lamp set for enhancing illumination and eliminating ghost images includes a lamp shade, a diffusion membrane and a circuit board. The lamp shade has a plurality of light cups each having a housing chamber to hold at least one LED. The housing chamber has an aperture at the bottom run through by the LED to form electric connection with the circuit board and an opening remote from the aperture to define a light output surface. The diffusion membrane covers the light output surface and is made of a transparent material and includes a plurality of transparent bumps on the surface. The circuit board is located below the lamp shade. Through the concave shape of the light cups and repetitive reflection of the bumps, light can be condensed to avoid scattering and loss. Moreover, as the light is greatly and uniformly condensed, ghost images can be eliminated.

Abstract: A lens module for LED light sources including: a lens body; and an LED light source received in a recess of the lens body. By the conditions of Z1>Z2 and Z3>Y1, and with the shape of light incident surface and the position of LED light source, a light deflection effect is achieved. This allows light emitted from the LED light source to be refracted by the light incident surface and then emitted by the light exiting surface, generating an excellent light deflection effect, thereby increasing illumination in width at the road or public squares and increasing utilization rate of the LED light source.

Abstract: A lighting assembly includes a light source and a lens. The lens includes a light transmissive portion and an optic shield portion for blocking or redirecting at least a portion of light generated by the light source. The light source can include one or more light emitting diodes (LEDs). The optic shield can be painted on or otherwise applied to a portion of the lens. Alternatively, it can be integrally formed with the lens. The optic shield can be an opaque material for blocking light generated by the light source or can be a reflective material for reflecting light generated by the light source through the light transmissive portion of the lens. Methods for making an optic shield are also described.

Abstract: A lamp head for decorative light string includes a luminous body, a pair of wires, a lamp base and a lamp shade, the luminous body electrically connected with wires, the lamp base formed by injection moulding and covers part of the packaging body and part of wires and electrode pins that between the packaging body and the wires, the lamp shade is assembled with the lamp base. The lamp base is provided with a plurality of holes, which connect the inner space of the lamp head with the outer space of the lamp head. Thus, water vapor produced in the inner of the lamp head can be expelled freely from the holes, so the decorative light string can remain normal operation to extend its life.

Abstract: The present invention relates to a combination type illumination apparatus that includes a lamp body, a lamp cap module and a LED light emitting module. The LED light emitting module is disposed on the lamp body. The lamp body has an accommodation hole and a center sleeve stored in the accommodation hole. The center sleeve includes a first joggle structure. The lamp cap module includes a second joggle structure. The second joggle structure of the lamp cap module is assembled to the first joggle structure of the center sleeve. With such structure configuration, manufacturers may assemble the combination type illumination apparatus in a joggling way instead of in a screwing or gluing method.

Abstract: The present invention relates to a light emitting diode bulb with a glare shield structure. It uses a glare shield structure to separate the sensor from the light emitting diode. A joggle structure or a sleeve structure is used for the glare shield structure to separately match the separated condenser lens and the lamp base to form glare shield means to prevent the sensor from being interfered by irradiated, refracted or reflected light from the light emitting diode. The structure is simple to be assembled and the cost of assembling is reduced.

Abstract: A nonimaging light assembly for flashlights, including a light source and a lens symmetrical about an optical axis for receiving light from the light source and producing therefrom a light beam having concentrated and divergent components resulting in a high intensity core beam surrounded by a smoothly transitioning lower intensity surround beam. In a preferred embodiment utilizing a light emitting diode as the light source, the combined light beam produced by the light assembly has a substantially circular cross section.

Abstract: There is provided a fixation device (100) and an assembly structure 10 comprising light emitting diode module, LED module, (200) and at least one fixation device (100) for in a mounted position fixating the LED module to a mounting surface (300). The fixation device comprises a main body (103), a first fixation means (102) for securing LED module to the mounting surface, a second fixation means (106, 506) for securing the fixation device to the LED module and at least one resilient portion (107, 108) arranged to extend from the main body and to, in a mounted position, at least partly bear against a predetermined bearing surface (201, 202) of the LED module such that a controlled force which is independent of the first fixation means is applied the bearing surface of the LED module by means of the resilient portion.

Abstract: With an LED lamp (1; 21), particularly a refrigerator lamp or the like, comprising at least one LED (2), an optics (4; 22) for the light emitted by the at least one LED (2) and an opaque lamp housing (5) that surrounds the optics (4; 22), it is provided according to the invention that the optics (4; 22) is designed to be transmissive and the opaque lamp housing (5) and the transmissive optics (4; 22) are jointly composed of a two-component plastic injection-moulded part (6).

Abstract: A lighted assembly includes a perforated member having a plurality of relatively small openings therethrough. The openings are arranged to provide areas forming letters, designs, or the like. A light source may be positioned adjacent the perforated member whereby light from the light source travels through the openings to form illuminated letters, designs or the like. The perforations may be filled with a light-transmitting polymer material. The light source may comprise an LED and a light guide that distributes light along a lower side of the perforated member. The light source may be positioned in a waterproof housing that is sealed to the perforated member.

Abstract: The light-emitting device 1 has a translucent cover 10 having a cylindrical shape and a flat light-projecting surface 11 facing to the light-emitting part of an LED 20. The LED 20 is arranged in close proximity with the flat light-projecting surface 11 in the translucent cover 10 to achieve efficient introduction of light from the LED 20 into a light-receiving surface of optical fibers.

Abstract: A light-emitting device illumination apparatus includes a housing having a barrier wall that defines a first space and a second space in the housing; a light-emitting device module disposed on a first surface of the barrier wall and including a printed circuit board (PCB) disposed on the first surface and a plurality of light-emitting device chips disposed on the PCB; and a power supplier disposed on a second surface of the barrier wall, the second surface facing the first surface, and for applying a voltage to the light-emitting device module.

Abstract: A light source module includes a receiving container, a light source disposed in the receiving container and a filter filtering the light produced from the light source. A backlight unit includes a plurality of light source modules. The plurality of light source modules include a first light source module with a filter and a second light source module alternately disposed with the first light source module. The filter includes a substrate, a transparent layer disposed on the first metal layer and a second metal layer disposed on the transparent layer. The filter transilluminating light of specific area is disposed on the light source module. Thus, the backlight unit having high color reproducibility may be manufactured.

Abstract: An LED bulb having a bulb-shaped shell, a thermally conductive plastic material within the bulb-shaped shell, and at least one LED within the bulb-shaped shell. The bulb also includes a base, wherein the base is dimensioned to be received within a standard electrical socket.

Abstract: A LED light bulb includes a light bulb adapter; a housing fixed on the light bulb adapter and having an accommodating space, wherein the housing has at least a vent hole; a convective heat dissipation piece including a first heat dissipation part and a second heat dissipation part connected under the first heat dissipation part; a light-emitting module disposed on a top surface of the convective heat dissipation piece; and a light bulb cover disposed on the top surface of the convective heat dissipation piece and covering the light-emitting module.

Abstract: A lighting fixture can include a light source, and a lens body including an incident face through which light emitted from the light source enters the lens body, an exit face, and a reflecting face configured to reflect light which has entered the lens body from the incident face such that the reflected light is emitted from the exit face to form a predetermined light distribution pattern having a boundary line between light and dark. The reflecting face can include a first reflecting region configured to reflect light with a reference wavelength which has entered the incident face perpendicularly with respect to the incident face. A second reflecting region can be configured to reflect light with a wavelength longer than the reference wavelength. A third reflecting region can be configured to reflect light with a wavelength shorter than the reference wavelength.

Abstract: A ceiling mount lighting fixture includes a channel, a channel cover, and a light source including a plurality of light-emitting diodes. The channel cover includes two sides that intersect in a V-shaped base, with light-emitting diodes mounted on each side. The light-emitting diodes emit light at cone angles that overlap at the base of the channel cover. The fixture may include a diffuser and an end cap positioned on each end of the channel, each end cap including a groove. A plurality of strips may be located on the diffuser, each strip moveable from a first position on the diffuser a distance from the end caps to a second position in which the strip engages the groove on one of the end caps, thereby serving as a light trap to block light from exiting gaps between the diffuser and end caps.

Abstract: Provided are a light source circuit unit that improves light extraction efficiency, as well as an illuminator and a display that include such a light source circuit unit. The light source circuit unit includes: a circuit substrate having a wiring pattern on a surface thereof, the wiring pattern having light reflectivity, a circular pedestal provided on the circuit substrate, a water-repelling region provided at least from a peripheral edge portion of the pedestal to a part of a side face of the pedestal, and one or two or more light-emitting device chips mounted on the pedestal, and driven by a current that flows through the wiring pattern.

Abstract: An optics panel for use in a light emitting diode (LED) lighting is disclosed. A plurality of LEDs is disposed on a substrate and directed outward therefrom. A substantially transparent substrate is disposed over the plurality of LEDs and configured to direct light from each of the plurality of LEDs of the lighting assembly onto a surface having a predetermined bounded area. Light from each of the LEDs is directed by the transparent substrate across the entire area of the surface so that each LED illuminates substantially the entire surface with a substantially equal level of illumination per LED.

Abstract: A high-luminance ultraviolet (UV) light-emitting diode (LED) nail lamp structure and an LED light source module thereof are provided. The LED nail lamp structure includes a housing and an LED light source module. The LED light source module is provided in the housing and has a plurality of UV LEDs, wherein each UV LED has an LED chip disposed in a concave lamp cup. The LED nail lamp structure features high luminance and good lighting effect.

Abstract: Multi-chip LED devices are described. Embodiments of the present invention provide multi-chip LED devices with relatively high efficiency and good color rendering. The LED device includes a plurality of interconnected LED chips and an optical element such as a lens. The optical element may be molded from silicone. The LED chips may be connected in parallel. In some embodiments, the LED device includes a submount, which may be made of a ceramic material such as alumina or aluminum nitride. Wire bonds can be connected to the LED chips so that all the wire bonds tend the outside of a group of LED chips. Various sizes and types of LED chips may be used, including vertical LED chips and sideview LED chips.

Abstract: A lens and a lamp using the same are provided. The lamp includes a lampshade, a base, a lens and a light emitting diode (LED). The lampshade and the lens are assembled on the base, wherein the lens is located in the lampshade. The lens has an accommodating portion, a first light exiting surface and a second light exiting surface. The first light exiting surface is located above the accommodating portion, and the second light exiting surface surrounds the first light exiting surface and located outside the accommodating portion. The first and second light exiting surfaces are concaves. The LED is disposed in the accommodating portion of the lens.

Abstract: A lighting unit includes a board, which supports a lamp and an electronic circuit for activating the lamp. The lamp includes one or more LEDs. The lighting unit further includes a decorative layer, which is applied directly to a surface of the board.

Abstract: LEDs are considered to be point light sources. Visible light provided by one or more light emitting diodes (LEDs) is passed through a light diffuser. The LEDs and diffuser are mounted inside a transparent or light-transmissive non-evacuated envelope and bulb. The light emitted from the bulb appears to originate from a filament used in conventional light bulbs rather than from a point light source.

Abstract: The invention relates to a light emitting device (2) comprising a primary light source (10), a light converting medium (14) and an optical structure (16). The primary light source is disposed on a substrate (11). The light converting medium comprising phosphors (14) is arranged for converting at least a part of the primary light to secondary light (II) of a different wavelength. The light converting medium is in a remote phosphor configuration. The optical structure is arranged for receiving a part of the secondary light (II) from the light converting medium and is configured for redirecting the part of the secondary light in a direction towards the first plane but away for the primary light source (10). By providing an optical structure redirecting the secondary light away from the primary light source, absorption of the secondary light by the primary light source can be substantially reduced or eliminated.

Abstract: An LED bulb comprises a lamp housing, a lamp cap, a core tube disposed inside the lamp housing, a plurality of LED plates mounted on the core tube, and a controller serving to manipulate an on-off operation of the LED plates. Wherein, the controller is substantially disposed inside a room of the core tube, and the core tube has one end thereof connected to the lamp cap, so as to facilitate a free substitution of the controller and promote the using convenience. The connection of the core tube and the lamp cap serves to radiate the thermal created by the LED plates from the core tube toward the lamp cap and the lamp housing for a speedy dissipation and preventing from burning the LED bulb under a high temperature.

Abstract: An exemplary lens for diffusing light from an LED to a diffusion plate of an LCD module, includes a light-refraction portion and a plurality of legs extending from the light-refraction portion. The light-refraction portion includes a light-incident face facing the LED and a light-emergent face opposite to the light-incident face and facing the diffusion plate. The light-incident face defines a plurality of dots therein. Each dot is a depression and has an inner face concaved from the light-incident face.

Abstract: Methods and apparatus related to a textured lens (30, 130). The textured lens includes a textured portion (40, 140) having plurality of unique textures. The lens may be utilized in a LED-based lighting fixture (10, 110) to, for example, reduce the presence of color banding and/or color shadows present in the light output of the lighting fixture. The textured portion may extend across all or portions of the lens surface.

Abstract: A semiconductor light emitting apparatus includes a solid-state light emitting device and a wavelength converter that converts primary light emitted by the solid-state light emitting device into secondary light at a loner-wavelength. The wavelength converter is an inorganic compact that includes a transparent wavelength conversion layer containing phosphor having a garnet crystal structure. The phosphor contains a constituent element group composed of at least one element selected from the group consisting of Mg, Ca, Sr, Ba, Y, La, Gd, Tb, and Lu. Part of the constituent element group is substituted by Ce3+ and the amount of Ce3+ is 1 atomic % less of the entire constituent element group. As a result, a high-power and highly reliable semiconductor light emitting apparatus suitable as a point light source is provided. In addition, such a semiconductor light emitting apparatus is manufactured through a simple application of traditionally used practical technicians.

Abstract: A lighting device including at least one conversion element and a least one LED, which emits light into the conversion element. The light is then converted and emitted with a high radiant flux. The at least one LED emits light in the wavelength range of ?220 nm to ?800 nm and the at least one conversion element converts at least part of the light from the at least one LED to light in the wavelength range of >300 nm to <1000 nm. In some embodiments, the at least one conversion element includes a ceramic conversion material.

Abstract: Solid state light sources, lighting devices and lamps arranged to provide emission with a warm temperature and high CRI. One embodiment of a solid state lighting device according to the present invention comprises a light emitting diode (LED) device capable of emitting light in an emission spectrum. A filter arranged so that at least some light from the LED light source passes through it, with the filter filtering at least some of one or more portions of the light source emission spectrum. The resulting light source light has a different temperature but substantially the same CRI after passing through the filter.

Abstract: A heat dissipating structure of a lightweight lamp cup 10 made of a porous material includes a containing cavity 11 at an end of the lamp cup 10, a lamp holder 30 at another end of the containing cavity 11, a metal hood 60 sheathed with the lamp holder 30 and covered onto an external side of the lamp cup 10, a heat conduction medium 50 between the lamp cup 10 and the metal hood 60, and a light emitting unit 20 contained in the containing cavity 11 of the lamp cup 10, such that the heat produced by the light emitting unit 20 can be conducted form the lamp cup 10 to the metal hood 60 and dissipated from the metal hood 60 to the outside.

Abstract: Lighting modules include a housing, a window attached to the housing, and an array of light-emitting elements that are positioned within the housing and emit light through the window. The window has a first surface and a second surface. The light from the array of light-emitting elements is emitted through the first surface and the second surface of the window. In some examples, the first surface and the second surface of the window are angled with respect to each other.

Abstract: A mounting arrangement for a light source (L) having associated a Printed Circuit Board, wherein said mounting arrangement includes: a housing (H) with an exit opening for light from the source (L), a reflector (R) to reflect light from the source (L) towards the opening, an at least partly transparent cover (1) to close the opening of the housing (H). The cover (1) includes a set of retaining elements (12A) for retaining the cover (1) to the housing (H), and a set of holding elements (12B) for holding the associated Printed Circuit Board (D) within the housing (H). Such configuration is capable of exerting a pressure on the reflector (R) when the cover (1) is coupled to the housing (H), and wherein the reflector (R) in turn urges the light source (L) against the housing (H), providing thus thermal coupling between the light source (L) and the housing (H).

Abstract: A transport device used to connect to a jack-o-lantern which serves to both provide for an illumination source and an easy manner in which to transport the jack-o-lantern when it is illuminated. There are also provided related systems and methods of use of the device. The result provides for a jack-o-lantern to be easily transported as a lantern or costume prop.

Abstract: A lighting fixture includes a front end-portion having an edge defining a light opening and a back end-portion spaced from the opening which has a centerline. At least one LED emitter on the mounting board disposed at the back end-portion for directing light toward the opening, the emitter(s) being off-centerline in a first lateral direction. A lens for the emitter(s), the lens being configured for distribution of light from the emitter(s) primarily in a second lateral direction which is opposite the first lateral direction such that the light passes through the light opening at a portion of the edge that is off-centerline in the second lateral direction, thereby to widen the illumination angle from the fixture.

Abstract: LED light bulbs especially suited for use in table lamps or floor lamps with lamp shades. The LED light bulbs include optics which provide more limited but more uniform illumination of the lamp shade and provide more uniform illumination through the top and bottom apertures of the lamp shade. The light bulbs comprise an electrical coupling base (e.g., Edison screw base) coupled via an insulating coupling piece to a tube. Metal Core Printed Circuit Boards on which LEDs with lenses are mounted are mechanically coupled to the tube.